CVE-2026-108853
UnicomAI Wanwu before 0.6.3 contains an insecure direct object reference vulnerability that allows authenticated low-privileged users to delete other tenants' agent or RAG applications by supplying their appId.
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.37%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
UnicomAI Wanwu before 0.6.3 contains an insecure direct object reference vulnerability that allows authenticated low-privileged users to delete other tenants' agent or RAG applications by supplying their appId. Attackers can send requests to DELETE /v1/appspace/app with guessed sequential assistant IDs to permanently delete victims' applications, workflows, conversations, and associated data.
- CVSS 4.0
- 7.2 HIGHCVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M
- EPSS
- 0.37% probability · 30th percentile
- Public exploits
- None in Exploit-DB
- CISA KEV
- Not listed
- Weakness
- CWE-639
- Source
- disclosure@vulncheck.com
EPSS moved from 0.3% on 12 October 2026 to 0.4% on 26 October 2026.
References
- https://github.com/UnicomAI/wanwu
- https://github.com/UnicomAI/wanwu/blob/v0.6.2/internal/bff-service/service/appspace.go#L20-L58
- https://github.com/UnicomAI/wanwu/commit/13d0b225ec237d5a0b44730b2331efadaeb462a2
- https://github.com/UnicomAI/wanwu/releases/tag/v0.6.3
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/unicomai-wanwu-appspace-cross-owner-delete
- https://www.vulncheck.com/advisories/unicomai-wanwu-before-0.6.3-idor-via-delete-v1-appspace-app
- https://hackmd.io/@1ExmmukzRMWN7B4gQ4W-4Q/cve-2026-108853-unicomai-wanwu-appspace-cross-owner-delete
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.